Reference
Mohamed El-Shehaby, Abd-el-Baset M.A., Abd-el Reheem, Jürgen Heinze (2012): Determinants of worker reproduction in queenless colonies of the ant Temnothorax crassispinus (KARAVAIEV, 1926) (Hymenoptera: Formicidae). – Myrmecological News = Myrmecologische Nachrichten – 017: 21 - 26.